Home / 10,946.90-16,427.10-4,372.40

Finding the Fourth Proportional to 10,946.90, 16,427.10 and 4,372.40

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Solution

The fourth proportional to 10,946.90, 16,427.10 and 4,372.40 is: 6,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.90 : 16,427.10 = 4,372.40 : x
  2. Step 2: Convert to fraction form
    10,946.90/16,427.10 = 4,372.40/x
  3. Step 3: Cross multiply
    10,946.90x = 16,427.10 × 4,372.40
  4. Step 4: Simplify right side
    10,946.90x = 71,825,852.04
  5. Step 5: Solve for x
    x = 71,825,852.04/10,946.90
  6. Step 6: Final answer
    x = 6,561.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.